healer | e140638dfc1bf2f21986f072364b2b6bb4d2311a8425865a961e7cc7e768338d

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
10/07/2023, 16:54

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General

Target
60efbea4d044ad5ec2c3da8855201515.exe
Size 862KB
Sample230710-vejpqsdc4z
SHA256 e140638dfc1bf2f21986f072364b2b6bb4d2311a8425865a961e7cc7e768338d
MD5 60efbea4d044ad5ec2c3da8855201515
SHA1 cc2451bac86c546230cfc9d0960152dee7045408
SHA512 8b17abc1c8b005151fda80dcc06c1327f329c67bad752c492f5663ea217fe0e146c5fa2635d0a082ae11ecea2bcd96e3741b9a676e340c145b5a2425a34c4d81
SSDEEP 12288:/Mrzy90CvKxZOyQonKmZFEdsqjQdur8kA/yANsZiZ+GKh6mJRsMIZ9Fu:oyRK7dpKmZqddMzko/sZZGJmLsbu
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

healer redline kira dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

kira

77.91.68.48:19071

Attributes

auth_value
1677a40fd8997eb89377e1681911e9c6

Signatures

Detects Healer an antivirus disabler dropper 1 IoCs

resource	yara_rule
behavioral2/memory/3020-147-0x0000000000420000-0x000000000042A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	k9349831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	k9349831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	k9349831.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	k9349831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	k9349831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	k9349831.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

Executes dropped EXE 3 IoCs

pid	Process
224	y8258838.exe
3020	k9349831.exe
4788	l6146230.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	k9349831.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	k9349831.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	y8258838.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	60efbea4d044ad5ec2c3da8855201515.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	60efbea4d044ad5ec2c3da8855201515.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	y8258838.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3020	k9349831.exe
3020	k9349831.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3020	k9349831.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 224	3644	60efbea4d044ad5ec2c3da8855201515.exe	84
PID 3644 wrote to memory of 224	3644	60efbea4d044ad5ec2c3da8855201515.exe	84
PID 3644 wrote to memory of 224	3644	60efbea4d044ad5ec2c3da8855201515.exe	84
PID 224 wrote to memory of 3020	224	y8258838.exe	85
PID 224 wrote to memory of 3020	224	y8258838.exe	85
PID 224 wrote to memory of 3020	224	y8258838.exe	85
PID 224 wrote to memory of 4788	224	y8258838.exe	87
PID 224 wrote to memory of 4788	224	y8258838.exe	87
PID 224 wrote to memory of 4788	224	y8258838.exe	87

C:\Users\Admin\AppData\Local\Temp\60efbea4d044ad5ec2c3da8855201515.exe
"C:\Users\Admin\AppData\Local\Temp\60efbea4d044ad5ec2c3da8855201515.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3644
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8258838.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8258838.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9349831.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9349831.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3020
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6146230.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6146230.exe
    3⤵
    - Executes dropped EXE
    PID:4788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

System.dll.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log
Size 226B
SHA256 7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d
MD5 916851e072fbabc4796d8916c5131092
SHA1 d48a602229a690c512d5fdaf4c8d77547a88e7a2
SHA512 07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521
MD5 SHA1 SHA512

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y8258838.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8258838.exe
Size 679KB
SHA256 0642d36e265fe076e0cb5f09276898bb62305b7da7edf063361f2a735be23ef5
MD5 9cb6ec6e7ea4dd49c008da7282d66adc
SHA1 4f269ae2e72777ec0b6039e3c78c9762cfae3808
SHA512 3bbe43996bfd76f2612e9022a137ae0a2c67cf7777c02289500489fb0facf98103cb34fc63eed2b79e57fc2b80b306fd4fc7715c6f9406c22d00ca5d608421a7
SSDEEP 12288:QMr3y90xKmZjrd/XvQMsr8C7/yCNsAib+FmWsmoHsAOp4:3yEKmZ3dnVZCrNsAfFMm0sTy
MD5 SHA1 SHA512 SSDEEP

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y8258838.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y8258838.exe
Size 679KB
SHA256 0642d36e265fe076e0cb5f09276898bb62305b7da7edf063361f2a735be23ef5
MD5 9cb6ec6e7ea4dd49c008da7282d66adc
SHA1 4f269ae2e72777ec0b6039e3c78c9762cfae3808
SHA512 3bbe43996bfd76f2612e9022a137ae0a2c67cf7777c02289500489fb0facf98103cb34fc63eed2b79e57fc2b80b306fd4fc7715c6f9406c22d00ca5d608421a7
SSDEEP 12288:QMr3y90xKmZjrd/XvQMsr8C7/yCNsAib+FmWsmoHsAOp4:3yEKmZ3dnVZCrNsAfFMm0sTy
MD5 SHA1 SHA512 SSDEEP

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k9349831.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9349831.exe
Size 530KB
SHA256 cc427dc9f9c984f6caf2bf139dd22e4caeb2db1495674cfdb291572ca09a34e6
MD5 edbe3b6aa556d982f01bc31860e249ff
SHA1 b59e8ec7b2486e65db45023791623d2240cc9fb1
SHA512 b95492df8b142d35b8d9811aaeb341f450cf08b9058245503014a12039cb22aed64797093c35110ddc69c614545b0df51aef548ce09d9650fe5e2b8ee229b67e
SSDEEP 12288:biICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:bBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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k9349831.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9349831.exe
Size 530KB
SHA256 cc427dc9f9c984f6caf2bf139dd22e4caeb2db1495674cfdb291572ca09a34e6
MD5 edbe3b6aa556d982f01bc31860e249ff
SHA1 b59e8ec7b2486e65db45023791623d2240cc9fb1
SHA512 b95492df8b142d35b8d9811aaeb341f450cf08b9058245503014a12039cb22aed64797093c35110ddc69c614545b0df51aef548ce09d9650fe5e2b8ee229b67e
SSDEEP 12288:biICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:bBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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l6146230.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6146230.exe
Size 691KB
SHA256 3e32556163d666480aca84aea795b603d21fcb395dadd6869b67343df05c9567
MD5 d0e8a9fe9e8a04f2e720c8ca3036de61
SHA1 c5011471b2f64efca73c8bd172907c66e1506ec5
SHA512 2177b260bcf6c6b61882f42c8ca55e3cc3c2debc311f796cab6f85d8aa8a033f37dcee8630421e2b80a50df08090ce0e7f3152bb279a172f455dd25a4401dc75
SSDEEP 12288:yLw3zk2E1EiICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:yLwDkN1EBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

Submit Download

l6146230.exe

Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6146230.exe
Size 691KB
SHA256 3e32556163d666480aca84aea795b603d21fcb395dadd6869b67343df05c9567
MD5 d0e8a9fe9e8a04f2e720c8ca3036de61
SHA1 c5011471b2f64efca73c8bd172907c66e1506ec5
SHA512 2177b260bcf6c6b61882f42c8ca55e3cc3c2debc311f796cab6f85d8aa8a033f37dcee8630421e2b80a50df08090ce0e7f3152bb279a172f455dd25a4401dc75
SSDEEP 12288:yLw3zk2E1EiICSVtg0wBW3iFt4ONq30/4St2NBd0JoLdaoi9Bbk:yLwDkN1EBbVTb34k30/8dRi9
MD5 SHA1 SHA512 SSDEEP

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memory/3020-147-0x0000000000420000-0x000000000042A000-memory.dmp

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memory/4788-156-0x0000000000510000-0x0000000000540000-memory.dmp

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memory/4788-161-0x0000000009FB0000-0x000000000A5C8000-memory.dmp

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memory/4788-162-0x000000000A610000-0x000000000A71A000-memory.dmp

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memory/4788-163-0x000000000A750000-0x000000000A762000-memory.dmp

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memory/4788-164-0x000000000A770000-0x000000000A7AC000-memory.dmp

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memory/4788-165-0x0000000004B20000-0x0000000004B30000-memory.dmp

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memory/4788-166-0x0000000004B20000-0x0000000004B30000-memory.dmp

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